Clinical Use of the Nanohydroxyapatite/Polyamide Mesh Cage in Anterior Cervical Corpectomy and Fusion Surgery

Abstract

Purpose . This study was to report the clinical use of biomimetic nanohydroxyapatite/polyamide 66 (n‐HA/PA 66) mesh cages in anterior cervical corpectomy and fusion (ACCF) surgery. Method . 95 patients who underwent single level anterior cervical corpectomy and fusion for cervical spondylosis myelopathy (CSM) in our hospital were reviewed and divided into 2 groups according to using nanohydroxyapatite/polyamide mesh cage and titanium mesh cage (TMC). Demographic data of patients and surgical, clinical, and radiological data before operation and at last follow‐up were collected and compared. Result . The operation time, surgical blood loss, complications, and Japanese Orthopaedic Association scores (JOA scores) of two groups were similar. At the last follow‐up both the two groups obtained 100% solid bone fusion, but the TMC group had higher rate of severe cage subsidence than the n‐HA/PA 66 group (27% versus 2%). Conclusion . Nanohydroxyapatite/polyamide 66 mesh cage is safe and effective in ACCF and can be a substitution to titanium mesh cage.